All pawnbrokers, salvage and wrecking dealers, secondhand stores and junk dealers shall keep books in connection with their business, wherein shall be entered an accurate description of all property pledged or sold to them, giving the name and address of the person pledging or selling same, and the place where the same occurs, and in the case of watches, motors and other articles having identification letter or number, the name of the maker and the model or serial number of the piece, and in all cases all property shall be as accurately and fully described as the nature of the article permits, and in such books there shall also be entered a general description of the person by whom same is deposited or sold, and the time when the same was done and the explanation given by the person as to the source of said articles. These entries shall be made as soon after any transaction is had as possible, in no event allowing more than one hour to elapse after such transaction before the above provided entry is made concerning the same.
(1965 Code of Ordinances, Chapter 14, Section 14-2)